Sand brush



FIG. 1 is a left side elevational view of a sand brush showing a portion of my new design, with the bristles omitted for clarity of illustration only;

FIG. 2 is a left side elevational view of a sand brush showing my new design, the opposite right side elevational view being a mirror image thereof;

FIG. 3 is a bottom plan view of the sand brush of FIG. 2; and,

FIG. 4 is a front elevational view of the sand brush of FIG. 2, the opposite back elevational view being a mirror image thereof.

The broken lines showing a handle in the drawings are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a sand brush, as shown and described. 